﻿#region Copyright (c) 2003 - 2008, Andreas Mueller
/////////////////////////////////////////////////////////////////////////////////////////
// 
// Copyright (c) 2003 - 2008, Andreas Mueller.
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// which accompanies this distribution, and is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// Contributors:
//    Andreas Mueller - initial API and implementation
//
// 
// This software is derived from software bearing the following
// restrictions:
// 
// Copyright (c) 1994
// Hewlett-Packard Company
// 
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation.  Hewlett-Packard Company makes no
// representations about the suitability of this software for any
// purpose.  It is provided "as is" without express or implied warranty.
// 
// 
// Copyright (c) 1996,1997
// Silicon Graphics Computer Systems, Inc.
// 
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation.  Silicon Graphics makes no
// representations about the suitability of this software for any
// purpose.  It is provided "as is" without express or implied warranty.
// 
// 
// (C) Copyright Nicolai M. Josuttis 1999.
// Permission to copy, use, modify, sell and distribute this software
// is granted provided this copyright notice appears in all copies.
// This software is provided "as is" without express or implied
// warranty, and with no claim as to its suitability for any purpose.
// 
/////////////////////////////////////////////////////////////////////////////////////////
#endregion


using NStl.Exceptions;
using NUnit.Framework;
using NStl.Collections;
using NUnit.Framework.SyntaxHelpers;
using System;
namespace NStl.NUnit.ContainerFixture.DList
{
    [TestFixture]
    public class EraseFixture
    {
        [Test]
        public void Erase()
        {
            DList<int> l = new DList<int>(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);

            DList<int>.Iterator i4 = NStlUtil.Advance<int, DList<int>.Iterator>(l.Begin(), 4);

            i4 = l.Erase(i4);

            Assert.That(5, Is.EqualTo(i4.Value));
            Assert.That(l.Count, Is.EqualTo(9));
        }
        [Test]
        [ExpectedException(typeof(ContainerEmptyException))]
        public void EraseFromEmptyContainer()
        {
            DList<int> l = new DList<int>(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);

            DList<int>.Iterator i4 = NStlUtil.Advance<int, DList<int>.Iterator>(l.Begin(), 4);

            l.Clear();
            i4 = l.Erase(i4);
        }
        [Test]
        [ExpectedException(typeof(NullReferenceException))]
        public void EraseWithNullAsParameter()
        {
            DList<int> l = new DList<int>(0, 1, 2);
            l.Erase(null);
        }
        [Test]
        public void EraseFromContainerWithOneItem()
        {
            DList<int> l = new DList<int>();
            l.PushBack(42);

            DList<int>.Iterator i = l.Begin();

            i = l.Erase(i);

            Assert.That(l, Is.Empty);
            Assert.That(i, Is.EqualTo(l.End()));
        }
        [Test]
        [ExpectedException(typeof(ArgumentException))]
        public void EraseWithEndIterator()
        {
            DList<int> l = new DList<int>(0, 1, 2);
            l.Erase(l.End());
        }
    }
}
